HEUNER, KARL HEINZ (1914-1982), "Geheimnisvolles Schwarz", abstract composition with black-toned center in front of blue and brown-toned color areas, signed lower right, mixed media, HxW: mat opening approx. 59.5x40 cm (82.5x61 cm with frame). Framed behind glass in passepartout. Traces of age. Verso card with handwritten title and label Kunsthaus Schaller, Stuttgart.

HEUNER, KARL HEINZ (1914-1982), "Geheimnisvolles Schwarz", abstract composition with a black-toned center in front of blue and brown colored areas, u.re. signed, mixed media, HxW: mat section approx. 59.5x40 cm (82.5x61 cm with frame). Framed behind glass in passepartout. Signs of age. Verso box with handwritten title and label Kunsthaus Schaller, Stuttgart.